package sys

import (
	"context"
	"hotgo/internal/consts"
	"hotgo/internal/dao"
	"hotgo/internal/library/imtenant"
	"hotgo/internal/model/entity"
	"hotgo/internal/model/input/sysin"
	"hotgo/internal/service"

	"github.com/gogf/gf/v2/database/gdb"
	"github.com/gogf/gf/v2/encoding/gjson"
	"github.com/gogf/gf/v2/errors/gerror"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/os/gtime"
)

type sSysImNotification struct{}

func NewSysImNotification() *sSysImNotification {
	return &sSysImNotification{}
}

func init() {
	service.RegisterSysImNotification(NewSysImNotification())
}

func (s *sSysImNotification) TemplateList(ctx context.Context, in *sysin.ImNotificationTemplateListInp) (list []*sysin.ImNotificationTemplateListModel, totalCount int, err error) {
	if err = in.Filter(ctx); err != nil {
		return
	}
	scope, err := resolveImAdminScopeWithAll(ctx, in.TenantId, true)
	if err != nil {
		return
	}
	tenants, err := s.listTenants(ctx, scope.TenantId, in.TenantId)
	if err != nil {
		return
	}
	list = []*sysin.ImNotificationTemplateListModel{}
	for _, tenant := range tenants {
		if err = s.ensureTemplates(ctx, tenant.Id); err != nil {
			return
		}
		var tenantList []*sysin.ImNotificationTemplateListModel
		mod := imtenant.RegistryDB().Model("im_notification_template").Safe().Ctx(ctx).
			Where("tenant_id", tenant.Id)
		if in.Scene != "" {
			mod = mod.Where("scene", in.Scene)
		}
		if in.Status != nil {
			mod = mod.Where("status", *in.Status)
		}
		if err = mod.OrderAsc("id").Scan(&tenantList); err != nil {
			return nil, 0, gerror.Wrap(err, "获取IM通知模板失败，请稍后重试！")
		}
		for _, item := range tenantList {
			item.TenantName = tenant.Name
			if parsed, parseErr := gjson.DecodeToJson(item.PayloadJson); parseErr == nil && parsed != nil {
				item.PayloadJson = parsed.MustToJsonString()
			}
		}
		list = append(list, tenantList...)
	}
	totalCount = len(list)
	start, end := pageBounds(in.Page, in.PerPage, totalCount)
	if start >= totalCount {
		return []*sysin.ImNotificationTemplateListModel{}, totalCount, nil
	}
	return list[start:end], totalCount, nil
}

func (s *sSysImNotification) TemplateUpdate(ctx context.Context, in *sysin.ImNotificationTemplateUpdateInp) (err error) {
	if err = in.Filter(ctx); err != nil {
		return
	}
	scope, err := resolveImAdminScope(ctx, in.TenantId)
	if err != nil {
		return
	}
	if err = s.ensureTemplates(ctx, scope.TenantId); err != nil {
		return
	}
	payload := "{}"
	if in.PayloadJson != nil {
		payload = in.PayloadJson.MustToJsonString()
	}
	if _, err = imtenant.RegistryDB().Model("im_notification_template").Safe().Ctx(ctx).
		Where("tenant_id", scope.TenantId).
		Where("scene", in.Scene).
		Data(g.Map{
			"in_app_enabled":   in.InAppEnabled,
			"push_enabled":     in.PushEnabled,
			"sms_enabled":      in.SmsEnabled,
			"status":           in.Status,
			"title_template":   in.TitleTemplate,
			"content_template": in.ContentTemplate,
			"payload_json":     payload,
			"updated_at":       gtime.Now(),
		}).Update(); err != nil {
		return gerror.Wrap(err, "更新IM通知模板失败，请稍后重试！")
	}
	_ = writeImAdminAudit(ctx, scope.TenantId, "im_notification_template_update", "im_notification_template", 0, "success", g.Map{"scene": in.Scene})
	return nil
}

func (s *sSysImNotification) listTenants(ctx context.Context, scopeTenantId, requestedTenantId int64) (tenants []*entity.ImTenant, err error) {
	mod := imtenant.RegistryDB().Model(dao.ImTenant.Table()).Safe().Ctx(ctx)
	if scopeTenantId > 0 {
		mod = mod.WherePri(scopeTenantId)
	} else if requestedTenantId > 0 {
		mod = mod.WherePri(requestedTenantId)
	}
	if err = mod.OrderAsc(dao.ImTenant.Columns().Id).Scan(&tenants); err != nil {
		return nil, gerror.Wrap(err, "获取IM租户失败，请稍后重试！")
	}
	return tenants, nil
}

func (s *sSysImNotification) ensureTemplates(ctx context.Context, tenantId int64) error {
	for _, item := range defaultNotificationTemplates() {
		count, err := imtenant.RegistryDB().Model("im_notification_template").Safe().Ctx(ctx).
			Where("tenant_id", tenantId).
			Where("scene", item.Scene).
			Count()
		if err != nil {
			return gerror.Wrap(err, "检查IM通知模板失败，请稍后重试！")
		}
		if count > 0 {
			continue
		}
		if _, err = imtenant.RegistryDB().Model("im_notification_template").Safe().Ctx(ctx).Data(g.Map{
			"tenant_id":        tenantId,
			"scene":            item.Scene,
			"name":             item.Name,
			"in_app_enabled":   1,
			"push_enabled":     item.PushEnabled,
			"sms_enabled":      0,
			"status":           consts.ImNotificationTemplateEnabled,
			"title_template":   item.Title,
			"content_template": item.Content,
			"payload_json":     gdb.Raw("CAST('{}' AS JSON)"),
			"created_at":       gtime.Now(),
			"updated_at":       gtime.Now(),
		}).Insert(); err != nil {
			return gerror.Wrap(err, "初始化IM通知模板失败，请稍后重试！")
		}
	}
	return nil
}

type notificationTemplateSeed struct {
	Scene       string
	Name        string
	Title       string
	Content     string
	PushEnabled int
}

func defaultNotificationTemplates() []*notificationTemplateSeed {
	return []*notificationTemplateSeed{
		{Scene: consts.ImNotificationSceneAccountSecurity, Name: "账号安全", Title: "账号安全提醒", Content: "你的账号发生安全事件：{{event}}", PushEnabled: 1},
		{Scene: consts.ImNotificationSceneFriendRequest, Name: "好友申请", Title: "新的好友申请", Content: "{{user}} 请求添加你为好友", PushEnabled: 1},
		{Scene: consts.ImNotificationSceneGroupEvent, Name: "群事件", Title: "群通知", Content: "{{group}} 有新的群事件：{{event}}", PushEnabled: 1},
		{Scene: consts.ImNotificationSceneFileEvent, Name: "文件事件", Title: "文件通知", Content: "{{file}} 状态已更新", PushEnabled: 0},
		{Scene: consts.ImNotificationSceneMeetingReminder, Name: "会议提醒", Title: "会议提醒", Content: "{{meeting}} 将于 {{time}} 开始", PushEnabled: 1},
		{Scene: consts.ImNotificationSceneReportReminder, Name: "日报月报提醒", Title: "填报提醒", Content: "请及时提交 {{report_type}}", PushEnabled: 1},
		{Scene: consts.ImNotificationSceneWorkOrder, Name: "工单处理", Title: "工单状态更新", Content: "你的工单 {{ticket}} 已更新", PushEnabled: 1},
	}
}

func pageBounds(page, perPage, total int) (start, end int) {
	if page <= 0 {
		page = 1
	}
	if perPage <= 0 {
		perPage = 10
	}
	start = (page - 1) * perPage
	end = start + perPage
	if end > total {
		end = total
	}
	return
}